Screw-Type Connections; Replacing The Sensor Module - Siemens 1PL622 Operating Instructions Manual

Three-phase induction motor, ac compact drives

Table of Contents

7.3.4

Screw-type connections

Tightening torque for screwed union connections

The screwed union connections with metal contact surfaces (end shields, active bearing

parts, terminal box parts bolted onto the stator frame) should be tightened to the following

torque with a tolerance of ± 10 %, depending on the thread size.

Table 7-3

Thread size

Tightening torque [Nm]

Please refer to the relevant sections and drawings for all other tightening torques (electrical

connections and bolted connections for parts with flat gaskets).

Bolt locking devices

Nuts or bolts that are mounted together with locking, resilient and/or force-distributing

elements (e.g., safety plates, spring-lock washers, etc.) must be refitted together with

identical, fully functional elements.

Always replace keyed elements.

[ID: 379.01]

7.3.5

Only trained service engineers are authorized to replace the sensor module.

Motor-specific sensor module

The Sensor Module contains motor-specific and sensor-specific data and an electronic

nameplate.

If you operate a different Sensor Module on the motor, this can result in serious injury or

death, or cause considerable material damage.

Only operate the sensor module on the original motor. Do not install the sensor module on

other motors. Do not replace the sensor module with a sensor module from a different

motor.

[ID 967.01]